Six link front derailleur
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United States of America Patent
Stats
-
Nov 6, 2012
Grant Date -
Mar 25, 2010
app pub date -
Sep 18, 2009
filing date -
Sep 18, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A front derailleur for shifting a bicycle chain between chain rings of a bicycle crank set. The front derailleur may include an attachment mechanism for securing the derailleur to a bicycle frame member. The front derailleur may further include a chain guide for enclosing a bicycle chain and contacting the chain during shifting. The front derailleur may further include a six link movement mechanism adjustably affixed to the attachment mechanism and chain guide for selectively moving the chain guide and enclosed bicycle chain during shifting.
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